Detailed Product Description security system, home alarm, intruder alarm, wireless alarm 1. Protection different zone: 32 zones with 32 different zones ... recorded message (10 second), it can be recovered. When received alarm message, it speaks as you spoken. 6. NI-MH ... switch if AC power is off. 7. Telephone manages the alarm system, convenience.8. Phone trunks protected to avoid any designing destroy ...